Malicious PDF — malware analysis report

Static analysis result for SHA-256 e823b0489871d9b1…

MALICIOUS

PDF

46.4 KB Created: 2020-08-25 10:01:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: b3893b7586a90f61c7c4e57e0c07e3b6 SHA-1: 6979f23517cff33cdb978cfbbb3d0d20999fb2b5 SHA-256: e823b0489871d9b1d98f6c617e856b51dc6ef5e8a40ab3f9e8dbb87956c18320
234 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains a lure for a remote support tool, specifically mentioning 'Teamviewer linux 64'. It embeds a link to a malicious redirector, ttraff.cc, which likely leads to the download of further malicious content. The document also contains a large number of links to PDFs hosted on Shopify, potentially for SEO manipulation or to host additional lures.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • Remote-support tool lure high SE_REMOTE_SUPPORT_LURE
    Document instructs the user to install, open, or connect with a remote-support tool such as AnyDesk, TeamViewer, Quick Assist, or ScreenConnect — high-risk in an unsolicited document
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://ttraff.cc/pify?keyword=teamviewer+linux+64 In PDF document text
    • http://files.amcsouth.ca/uploads/1/3/1/4/131437005/bugutoses.pdfIn PDF document text
    • http://zinogasur.lomondlogs.co.uk/uploads/1/3/1/6/131607600/mijis.pdfIn PDF document text
    • http://setiku.temescalartcenter.org/uploads/1/3/1/1/131163776/nijosipoja.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8553/6159/files/fuzupemeduju.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6051/7269/files/36825028472.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0507/4838/files/fnma_guidelines_for_solar_panels.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4447/0945/files/45877982254.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9834/9471/files/sigatakisorazaros.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0460/9182/9412/files/autism_ppt.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6990/5825/files/acuerdo_de_cartagena_can.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9515/4070/files/pafexudobe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7881/1810/files/bovadowudumikafazivevobam.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2027/1272/files/europe_final_countdown_sheet_music.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6217/3602/files/judakevabetewiwoxubu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5993/6421/files/86827939081.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8016/3227/files/27173623749.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Related samples 2

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000077b8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x77B8 5064 bytes
SHA-256: 4a6d057c6b8a05f2cbb7d5e19050ffbc76e69ef6663512f844b443d47501b4f9
font_01_sfnt_off000088f2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x88F2 10624 bytes
SHA-256: d5e00dd677a33ab2a1ba3cc676164dda1bbd8b2f176783ee8bcb54bf7bc5da80

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